How to import excel files in layui

How to import excel files in layui: First introduce the [excel.js] file into the page; then listen to the click event of the header toolbar, the code is [title: 'Import Excel', content: $("# ImportExcel")].

The operating environment of this tutorial: windows7 system, layui v2.5.7 version, DELL G3 computer. This method is suitable for all brands of computers.

How to import excel files in layui:

1. Introduce the excel.js file into the page:

//引入excel
    layui.config({
        base: 'layui_ext/',
    }).extend({
        excel: 'excel',
    });

2. Monitor the click event of the header toolbar

// 监听头工具栏事件
table.on('toolbar(terminalConfig)', function(obj) {
var layer = layui.layer;
// 添加终端
if(obj.event == 'import'){
layer.open({
type : 1,
shade : false,
area : [ '350px', '260px' ],
title : '导入Excel',
content : $("#ImportExcel"),
cancel : function() {
layer.close();
},
success : function(layero, index) {
ImportExcel();
},
});
}
//导入Excel结束
});
//监听头工具栏事件结束

3. ImportExcel() method:

//导入方法
function ImportExcel(){
var $ = layui.jquery
  ,upload = layui.upload;
  var uploadInst = upload.render({
  elem: '#importExcel',
  /*method: 'POST',*/
  url: basePath + 'PowerUser/importPowerUserData.action',
  accept: 'file', //普通文件
  exts: 'xls|excel|xlsx', //导入表格
  auto: false,  //选择文件后不自动上传
  before: function (obj) {
  layer.load(); //上传loading
  },
  choose: function (obj) {// 选择文件回调
  var files = obj.pushFile();
  var fileArr = Object.values(files);// 注意这里的数据需要是数组，所以需要转换一下
  //console.debug(fileArr)
  // 用完就清理掉，避免多次选中相同文件时出现问题
  for (var index in files) {
  if (files.hasOwnProperty(index)) {
  delete files[index];
  }
  }
  uploadExcel(fileArr); // 如果只需要最新选择的文件，可以这样写： uploadExcel([files.pop()])
  },
  error : function(){
  setTimeout(function () {
  layer.msg("上传失败！", {
icon : 1
});
//关闭所有弹出层
layer.closeAll(); //疯狂模式，关闭所有层
  },1000);
  }
  });
}

4. uploadExcel() method:

function uploadExcel(files) {
    try {
    var excel = layui.excel;
        excel.importExcel(files, {
            // 读取数据的同时梳理数据
            fields: {
            'tId' : 'A',
'inport' : 'B',
'state' : 'C',
'householdNumber' : 'D',
'accountName' : 'E',
'phone' : 'F'
            }
        }, function (data) {
            var arr = new Array();
            for(i = 1; i < data[0].Sheet1.length; i++){
            var tt = {
                    cId : selectConcentrator,
                    tId : data[0].Sheet1[i].tId,
                    inport: data[0].Sheet1[i].inport,
                    state: data[0].Sheet1[i].state,
                    householdNumber: data[0].Sheet1[i].householdNumber,
                    accountName: data[0].Sheet1[i].accountName,
                    phone: data[0].Sheet1[i].phone,
                    };
            arr.push(tt);
            }
            
            $.ajax({
                async: false,
                url: basePath + &#39;PowerUser/importPowerUserData.action&#39;,
                type: &#39;post&#39;,
                dataType: "json",
                contentType: "application/x-www-form-urlencoded",
                data: {
                data : JSON.stringify(arr)
                },
                success: function (data) {
                if(data.success){
                layer.msg(data.message);
                setTimeout(function () {
                layer.closeAll(); //疯狂模式，关闭所有层
                },1000);
                //表格导入成功后，重载表格
                tableIns.reload(&#39;testTerminalConfigReload&#39;,{
                             url : basePath + &#39;PowerUser/PowerUserDataTable.action&#39;,
                             page : {
     limit : 10, // 初始 每页几条数据
     limits : [ 10, 20, 30 ]
     // 可以选择的 每页几条数据
     },
     where : {
     cId : selectConcentrator,
     tId : selectTerminal
     },
     parseData: function(res){ //res 即为原始返回的数据
         return {
           "code": 0, //解析接口状态
           "msg": res.message, //解析提示文本
           "count": res.total, //解析数据长度
           "data": res.data //解析数据列表
         };
     }
                         }, &#39;data&#39;);
                }else{
                //表格导入失败后，重载文件上传
                layer.alert(data.error+"请重新上传",{icon : 2});
                }
                },
                error: function (msg) {
                    layer.msg(&#39;请联系管理员!!!&#39;);
                }
            });
        });
    } catch (e) {
        layer.alert(e.message);
    }
}

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